1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 2; RUN: llc -global-isel=1 -mtriple=riscv32 -o - %s | FileCheck %s --check-prefix=RV32 3; RUN: llc -global-isel=1 -mtriple=riscv64 -o - %s | FileCheck %s --check-prefix=RV64 4 5declare void @use_addr(ptr) 6 7define void @test_scoped_alloca(i64 %n) { 8; RV32-LABEL: test_scoped_alloca: 9; RV32: # %bb.0: 10; RV32-NEXT: addi sp, sp, -16 11; RV32-NEXT: .cfi_def_cfa_offset 16 12; RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill 13; RV32-NEXT: sw s0, 8(sp) # 4-byte Folded Spill 14; RV32-NEXT: sw s1, 4(sp) # 4-byte Folded Spill 15; RV32-NEXT: .cfi_offset ra, -4 16; RV32-NEXT: .cfi_offset s0, -8 17; RV32-NEXT: .cfi_offset s1, -12 18; RV32-NEXT: addi s0, sp, 16 19; RV32-NEXT: .cfi_def_cfa s0, 0 20; RV32-NEXT: addi a0, a0, 15 21; RV32-NEXT: andi a0, a0, -16 22; RV32-NEXT: sub a0, sp, a0 23; RV32-NEXT: mv s1, sp 24; RV32-NEXT: mv sp, a0 25; RV32-NEXT: call use_addr 26; RV32-NEXT: mv sp, s1 27; RV32-NEXT: addi sp, s0, -16 28; RV32-NEXT: .cfi_def_cfa sp, 16 29; RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload 30; RV32-NEXT: lw s0, 8(sp) # 4-byte Folded Reload 31; RV32-NEXT: lw s1, 4(sp) # 4-byte Folded Reload 32; RV32-NEXT: .cfi_restore ra 33; RV32-NEXT: .cfi_restore s0 34; RV32-NEXT: .cfi_restore s1 35; RV32-NEXT: addi sp, sp, 16 36; RV32-NEXT: .cfi_def_cfa_offset 0 37; RV32-NEXT: ret 38; 39; RV64-LABEL: test_scoped_alloca: 40; RV64: # %bb.0: 41; RV64-NEXT: addi sp, sp, -32 42; RV64-NEXT: .cfi_def_cfa_offset 32 43; RV64-NEXT: sd ra, 24(sp) # 8-byte Folded Spill 44; RV64-NEXT: sd s0, 16(sp) # 8-byte Folded Spill 45; RV64-NEXT: sd s1, 8(sp) # 8-byte Folded Spill 46; RV64-NEXT: .cfi_offset ra, -8 47; RV64-NEXT: .cfi_offset s0, -16 48; RV64-NEXT: .cfi_offset s1, -24 49; RV64-NEXT: addi s0, sp, 32 50; RV64-NEXT: .cfi_def_cfa s0, 0 51; RV64-NEXT: addi a0, a0, 15 52; RV64-NEXT: andi a0, a0, -16 53; RV64-NEXT: sub a0, sp, a0 54; RV64-NEXT: mv s1, sp 55; RV64-NEXT: mv sp, a0 56; RV64-NEXT: call use_addr 57; RV64-NEXT: mv sp, s1 58; RV64-NEXT: addi sp, s0, -32 59; RV64-NEXT: .cfi_def_cfa sp, 32 60; RV64-NEXT: ld ra, 24(sp) # 8-byte Folded Reload 61; RV64-NEXT: ld s0, 16(sp) # 8-byte Folded Reload 62; RV64-NEXT: ld s1, 8(sp) # 8-byte Folded Reload 63; RV64-NEXT: .cfi_restore ra 64; RV64-NEXT: .cfi_restore s0 65; RV64-NEXT: .cfi_restore s1 66; RV64-NEXT: addi sp, sp, 32 67; RV64-NEXT: .cfi_def_cfa_offset 0 68; RV64-NEXT: ret 69 %sp = call ptr @llvm.stacksave.p0() 70 %addr = alloca i8, i64 %n 71 call void @use_addr(ptr %addr) 72 call void @llvm.stackrestore.p0(ptr %sp) 73 ret void 74} 75